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Henri Picciotto

@hpicciotto.bsky.social

Retired after 42 years in the classroom, from counting to calculus. Now working with colleagues, curriculum, cryptic crosswords.

98 Posts284 Follower82 Folgt
Henri Picciotto@hpicciotto.bsky.social · 2mo ago

Reposting (I had forgotten the hashtags) A Teacher’s 12-year Journey: Marcus Elbel shares how curriculum and ideas from www.mathed.page helped improve his students’ engagement and learning. blog.mathed.page/2026/06/18/a... #mtbos #iteachmath #mathed

A Teacher’s Journey

A Teacher’s Journey by Marcus Elbel I just finished my 12th year of teaching high school mathematics at the school I graduated from in 2010, Chambersburg Area Senior High School. It has been quite …

blog.mathed.page

Henri Picciotto@hpicciotto.bsky.social · 2mo ago

Reaching Consensus on curricular and pedagogical matters can improve the effectiveness of a math department and improve student learning. I suggest a pathway in this post. blog.mathed.page/2026/06/05/r... #mtbos #iteachmath #mathed

Reaching Consensus

I worked in a high school for many years. Over time, my department reached a close consensus on curricular and pedagogical matters. One administrator, after visiting some math classes, expressed am…

blog.mathed.page

John Golden@johngolden.bsky.social · 2y ago

Always of interest! As much time as I've spent on your mathed.page there's always new-to-me stuff! I think I should be able to turn the geometric info into algebraic, just have never figured it out. Feel free to add my applet to your links if it's of interest.

Henri Picciotto@hpicciotto.bsky.social · 10mo ago

Letter from a Homeschooling Mom who finds that my approach to curriculum works best with her son — going from specifics to generalizations, and from the informal to the symbolic, with problem solving and visual representations throughout. blog.mathed.page/2025/10/15/l... #mtbos #iteachmath #mathed

Letter from a Homeschooling Mom

Today, another guest post, this time from a homeschooling mom. — Henri Algebra and Geometry Greetings!   I hope this email finds you well. I know you don’t know us, but I wanted to personally…

blog.mathed.page

Henri Picciotto@hpicciotto.bsky.social · last yr.

→ But now I wonder: is there a box with _two or three_ "pythagorean faces", _and_ a whole-number long diagonal? I haven't been able to find one. But to be honest, I probably didn't put enough time and energy into it. If you find such a box, let me know!

Henri Picciotto@hpicciotto.bsky.social · last yr.

During a bout of insomnia, I asked myself: what should the height of a box with base 3 by 4 be, so that its long (internal) diagonal is a whole number? I found an answer, and in the morning was able to generalize it into a way to get a pythagorean quadruple from any triple. →